Boromuscovite
      Liang J, Hawthorne F C, Novak M, Cerny P
      The Canadian Mineralogist 33 (1995) 859-865
      Crystal-structure refinement of boromuscovite polytypes using a coupled
      Rietveld-static-structure energy-minimization method
      Sample: 1M polytype
      Locality: Recice, Czech Republic
      _database_code_amcsd 0005446

      CELL PARAMETERS:    5.1020   8.7880  10.0760   90.000  101.230   90.000
      SPACE GROUP: C2/m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    443.121
      Density (g/cm3):      2.376
      MAX. ABS. INTENSITY / VOLUME**2:      7.090487622    
      RIR:      0.972
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 8.95         57.95        9.8831    0   0   1         2
                17.95        100.00        4.9415    0   0   2         2
                20.21         80.97        4.3940    0   2   0         2
                20.42          9.90        4.3487    1   1   0         4
                20.88         32.43        4.2547   -1   1   1         4
                23.71          1.25        3.7531    1   1   1         4
                24.88         46.99        3.5787   -1   1   2         4
                27.07         22.55        3.2944    0   0   3         2
                27.16         17.85        3.2836    0   2   2         4
                29.57         47.32        3.0209    1   1   2         4
                31.16          9.68        2.8701   -1   1   3         4
                34.01          9.27        2.6358    0   2   3         4
                35.24          3.72        2.5465   -2   0   1         2
                35.51         16.77        2.5281    1   3   0         4
                35.79         15.59        2.5092   -1   3   1         4
                35.89          7.34        2.5022    2   0   0         2
                36.97         20.76        2.4313   -2   0   2         2
                37.58         22.43        2.3933    1   3   1         4
                38.37          7.45        2.3462   -1   3   2         4
                38.75          3.52        2.3238   -1   1   4         4
                38.81          8.85        2.3205    2   0   1         2
                41.08         11.67        2.1970    0   4   0         2
                41.53          8.68        2.1743    2   2   0         4
                41.70          2.50        2.1659    1   3   2         4
                42.49          2.47        2.1273   -2   2   2         4
                42.90          3.07        2.1083   -1   3   3         4
                43.61          3.05        2.0753    2   0   2         2
                44.14          2.38        2.0519    2   2   1         4
                45.17          4.00        2.0073    1   1   4         4
                45.91         21.03        1.9766    0   0   5         2
                46.34          6.29        1.9592   -2   0   4         2
                47.18          1.09        1.9265   -1   1   5         4
                47.44          2.06        1.9166    1   3   3         4
                48.51          2.67        1.8766    2   2   2         4
                48.95          2.74        1.8609   -1   3   4         4
                50.64          1.22        1.8026    0   2   5         4
                51.04          4.89        1.7894   -2   2   4         4
                53.16          2.48        1.7228   -2   0   5         2
                54.42          2.43        1.6860    1   3   4         4
                55.02          1.20        1.6691   -3   1   1         4
                55.41          2.15        1.6583    1   5   0         4
                55.60          4.21        1.6529   -1   5   1         4
                56.01          4.86        1.6418    0   4   4         4
                56.18          5.27        1.6373   -1   3   5         4
                56.45          2.99        1.6301   -2   4   2         4
                56.89          2.15        1.6185    1   5   1         4
                57.28          5.75        1.6084    2   0   4         2
                57.47          4.74        1.6037   -1   5   2         4
                57.85          4.12        1.5940   -3   1   3         4
                59.30          6.61        1.5583   -2   4   3         4
                59.98          5.00        1.5424    1   5   2         4
                61.38          1.67        1.5104    2   2   4         4
                61.46          4.40        1.5087    2   4   2         4
                62.42          3.95        1.4877    1   3   5         4
                63.09          3.17        1.4736    3   1   2         4
                63.24         10.60        1.4704   -3   3   1         4
                63.29          4.28        1.4694    0   4   5         4
                63.52          3.31        1.4647    0   6   0         2
                65.86          1.33        1.4182   -3   3   3         4
                66.02          1.62        1.4150   -1   1   7         4
                66.19          2.18        1.4119    0   0   7         2
                66.59          1.21        1.4043    0   6   2         4
                69.47          3.19        1.3531    2   2   5         4
                69.82          7.48        1.3470   -2   0   7         2
                70.39          2.22        1.3376    1   5   4         4
                71.35          7.28        1.3219    1   3   6         4
                73.54          2.97        1.2879   -2   2   7         4
                74.31          2.40        1.2765   -3   3   5         4
                74.58          2.39        1.2724   -4   0   1         2
                74.77          1.30        1.2696   -2   6   1         4
                74.95          2.93        1.2671    2   0   6         2
                75.16          5.93        1.2640    2   6   0         4
                75.45          3.71        1.2599    0   6   4         4
                75.91          2.21        1.2534   -4   0   3         2
                76.99          1.57        1.2386    2   6   1         4
                77.48          1.31        1.2319    1   5   5         4
                78.16          3.19        1.2229   -4   2   2         4
                78.21          1.13        1.2222   -4   2   1         4
                78.23          1.88        1.2220   -3   5   1         4
                78.30          2.91        1.2210   -2   6   3         4
                78.57          1.77        1.2175    2   2   6         4
                78.72          1.03        1.2155   -3   5   2         4
                79.52          3.61        1.2053   -4   2   3         4
                79.81          2.58        1.2017    1   7   1         4
                80.22          1.44        1.1967    2   6   2         4
                80.52          1.22        1.1929   -3   3   6         4
                80.63          3.51        1.1915   -3   5   3         4
                82.47          1.48        1.1695    1   7   2         4
                82.69          1.11        1.1670    3   3   4         4
                83.28          1.62        1.1602   -1   7   3         4
                85.23          1.45        1.1386    3   5   2         4
                85.78          1.98        1.1327    1   5   6         4
                86.82          1.19        1.1218    4   2   2         4
                87.40          2.24        1.1159   -2   6   5         4
                87.64          1.26        1.1134   -1   7   4         4
                87.88          1.58        1.1110   -1   5   7         4
                87.95          1.22        1.1102   -1   1   9         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.